How to get the extension of a filename in TypeScript

1 Answer

0 votes
function getFileExtension(filename: string) {
    return filename.split('.').pop();
}

let extension = getFileExtension('filename.ts');
console.log(extension);

extension = getFileExtension('filename.txt');
console.log(extension);




      
/*
run:
      
"ts" 
"txt"
      
*/

 



answered Jan 26, 2022 by avibootz

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